ARTICLES339 - A Tale of Two Clocks by Stephen Nelson348 - Paul Pouvillon’s Astronomical Clock: A Brief History and Description of the Clock’s Restoration, Part 1 of 2 by Mark Frank361 - A Miniature Planetarium Powered by a Chauncey Jerome Chronometer by Clarence Menninga372 - Walter H. Durfee & His Grandfather Clocks − Part 3 by Owen H. & Jo Burt389 - The Iron Horse’s Piping Rock and a Snapshot of American Horology in 1928 by Fredric J. Friedberg407 - John Polsey, Clockmaker - Working in the Shadow of Edward Howard by Andrew H. Dervan411 - Cleaning Wood Movements by Tom Mostyn413 - An Omega Wristwatch with an Altered Serial Number by Robert E. Wagner

FEATURES371 - Horology in Art − Part 9 by Bob Frishman388 - Cyma Tavannes a poem by Ray Comeau398 - The National Watch and Clock Museum by Sean Holliday and Sara Dockery401 - Donor Recognition – April 1, 2012, to March 31, 2013417 - Fantastic Finds and Related Tales by Fredric J. Friedberg420 - Horologica by Larry Crutsinger and Bob Frishman423 - Wristwatches: Southern Ohio Regional Plays Host to Gruen Watch Extravaganza by Bruce Shawkey427 - Vox Temporis − Letters to the Editor429 - The First One or I Collect ... Because by Mike King, Tom Mostyn, and David O’Banion431 - The Answer Box with David Sperling435 - Research Activities and News edited by Snowden Taylor447 - Obituaries447 - In Memory of / In Honor of448 - NAWCC Staff